That does sound a lot, but I am not sure how they can justify their expected rate:
> Each of our drones can plant over 40,000 seed pods per day
Their long term goal is in line with the second, not the first:
> and aims to plant a total of 100 million by the year 2024.
Well, they only need 3 drones then... 3 * 40k * 365 * 2.5 ~ 1e8